Xfinity Voice icon

Welcome to the Comcast Carrier Services Website

Welcome to the Comcast Carrier Services Website. This website contains general information to assist carriers in contacting Comcast concerning matters related to Local Number Portability (LNP) and Carrier-to-Carrier Issues.

If you are unable to find the correct contact information for your issue or question, or if you have a suggestion for adding or changing something on the Comcast Carrier Services website, please send an email to:

If you are a Comcast customer who would like to report an issue or you have a question about our new or existing services, please call Comcast at 1-800-Xfinity (800-934-6489).